杰拉杜斯·麦卡托（1512年3月5日－1594年12月2日），佛兰德地图学家，生于佛兰德伯国亚珀尔蒙德（位于现在比利时境内）。他最广为人知的贡献就是发明了麦卡托投影法。

麦卡托的父母系从尤利希（Julich）迁来亚珀尔蒙德。他幼年在亚珀尔蒙德受教育，之后去了荷兰荷特根泊（Hertogenbos），再后来进入鲁汶大学学习。1552年，他迁往克利夫斯公国的杜伊斯堡市。他之后一直生活在杜伊斯堡直至去世。他迁往杜伊斯堡的动机尚不清楚，可能是由于宗教的原因。

Gerardus Mercator was born 5 March 1512 in Rupelmonde, County of Flanders (in modern-day Belgium). He died 2 December 1594 in Duisburg, Duchy of Cleves (in modern-day Germany). He is renowned as the cartographer who created a world map based on a new projection which represented sailing courses of constant bearing as straight lines—an innovation which to this day enhances the simplicity and safety of navigation. In his own day he was the world's most famous geographer but in addition he had interests in theology, philosophy, history, mathematics and magnetism as well as being an accomplished engraver, calligrapher and maker of globes and scientific instruments.